Search-retrieved docs are invisible to Claude in follow-up turns, causing misbeliefs

xuenay · x · 2026-09-23

Kaj Sotala notes an observed Claude behavior that appears correct; Frans Elvira explains a plausible cause: documents retrieved via search are not visible to Claude in follow-up turns, which can make it mistakenly believe things that aren't in context. The poster also mentions being downgraded from Opus 5 to Opus 4.8 due to the cybersecurity topic.

Related event: Claude Loses Access to Retrieved Docs in Later Turns, Study Finds(2 posts)→

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